Agenda - Council - 05/11/1993 - Laserfiche WebLink

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R1-1 RI-3 R1-4 30"x 30" 12"x 6" 18"x6" 2B-4 Stop Sign (RI-l) STOP signs are intended for use where traffic is required to stop. The STOP sign shall be an octagon with white message and border on a red background. The standard size shall be 30 × 30 inches. Where greater emphasis or visibility is required, a larger size is recommended. On low- volume local streets and secondary roads with low approach speeds, a 24 × 24 inch size may be used. At a multiway stop intersection (sec. 2B-6), a supplementary plate (RI-3) should be mounted just below each STOP sign. If the number of approach legs to the intersection is three or more, the numeral on the supplementary plate shall correspond to the actual number of legs, or the legend ALL-WAY (RI-4) may be used. The supplementary plate shall have white letters on a red background and shall have a standard size of 12 × 6 inches (R1-3) or 18 × 6 inches (R1-4). A STOP sign beacon or beacons may be used in conjunction with a STOP sign as described in section 4E-4. Secondary messages shall not be used on STOP sign faces. 2B-5 Warrants for Stop Sign Because the STOP sign causes a substantial inconvenience to motorists, it should be used only where warranted. A STOP sign may be warranted at an intersection where one or more of the following conditions exist: 1. Intersection of a less important road with a main road where application of the normal right-of-way rule is unduly hazardous. 2. Street entering a through highway or street. 3. Unsignalized intersection in a signalized area. 4. Other intersections where a combination of high speed, restricted view, and serious accident record indicates a need for control by the'STOP sign. Prior to the application of these warrants, consideration should be given to less restrictive measures, such as the YIELD sign (2B-7) where a full Rev. 9184 2B-2 11-4~ Rev. 3 stop is not necessary at all times. Periodic reviews of existing installations may be desirable to determine whether, because of changed conditions, the use of less restrictive control or no control could accommodate traffic demands safely and more effectively. STOP signs should never be used on the through roadways of expressways. Properly designed expressway interchanges provide for the continuous flow of traffic, making STOP signs unnessary even on the entering roadways. Where at-grade intersections are temporarily justified for local traffic in sparsely populated areas, STOP signs should be used on the entering roadways to protect the through traffic. STOP signs may also be required at the end of diverging roadways at the intersection with other highways not designed as expressways. In most of these cases, the speeds will not warrant any great increase in the sign sizes. STOP signs shall not be erected at intersections where traffic control ~;~,nM~ are ~nernHn~. The conr"lictJng commands of two tvt~es of control